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Costs and expenses by nature (Tables)
 6 Months Ended
Jun. 30, 2022
Costs And Expenses By Nature  
Schedule of Cost of sales

  Jan-Jun/2022 Jan-Jun/2021 Apr-Jun/2022 Apr-Jun/2021
Raw material, products for resale, materials and third-party services (*) (13,769) (7,610) (8,008) (4,950)
Depreciation, depletion and amortization (5,344) (4,404) (2,782) (2,165)
Production taxes (8,093) (4,984) (4,029) (2,630)
Employee compensation (813) (851) (421) (413)
Total (28,019) (17,849) (15,240) (10,158)
(*) It Includes short-term leases and inventory turnover.
Schedule of Selling expenses

  Jan-Jun/2022 Jan-Jun/2021 Apr-Jun/2022 Apr-Jun/2021
Materials, third-party services, freight, rent and other related costs (1,948) (1,709) (1,000) (925)
Depreciation, depletion and amortization (417) (289) (217) (140)
Allowance for expected credit losses (14) 6 (6) 1
Employee compensation (46) (42) (24) (22)
Total (2,425) (2,034) (1,247) (1,086)
Schedule of General and administrative expenses

  Jan-Jun/2022 Jan-Jun/2021 Apr-Jun/2022 Apr-Jun/2021
Employee compensation (414) (376) (216) (191)
Materials, third-party services, rent and other related costs (161) (112) (83) (48)
Depreciation, depletion and amortization (47) (45) (24) (21)
Total (622) (533) (323) (260)